/*
 * Copyright (c) 2011-2019, The DART development contributors
 * All rights reserved.
 *
 * The list of contributors can be found at:
 *   https://github.com/dartsim/dart/blob/master/LICENSE
 *
 * This file is provided under the following "BSD-style" License:
 *   Redistribution and use in source and binary forms, with or
 *   without modification, are permitted provided that the following
 *   conditions are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 *   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 *   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 *   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 *   AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *   POSSIBILITY OF SUCH DAMAGE.
 */

#include "dart/utils/FileInfoC3D.hpp"
#include "dart/utils/C3D.hpp"

#include <cassert>

namespace dart {
namespace utils {

FileInfoC3D::FileInfoC3D() : mNumMarkers(0), mNumFrames(0), mFPS(0)
{
  std::strcpy(mFileName, "");
}

bool FileInfoC3D::loadFile(const char* _fName)
{
  if (loadC3DFile(_fName, mData, &mNumFrames, &mNumMarkers, &mFPS))
  {
    std::string text = _fName;
    int lastSlash = text.find_last_of("/");
    text = text.substr(lastSlash + 1);
    strcpy(mFileName, text.c_str());
    return true;
  }
  else
  {
    return false;
  }
}

bool FileInfoC3D::saveFile(
    const char* _fName, int _start, int _end, double /*_sampleRate*/)
{
  std::vector<std::vector<Eigen::Vector3d>> tmpData = mData;

  int first = _start < mNumFrames ? _start : mNumFrames - 1;
  int last = _end < mNumFrames ? _end : mNumFrames - 1;

  tmpData.erase(tmpData.begin() + last + 1, tmpData.end() + 1);
  tmpData.erase(tmpData.begin(), tmpData.begin() + first);

  if (saveC3DFile(_fName, tmpData, last - first + 1, mData[0].size(), mFPS))
  {
    std::string text = _fName;
    int lastSlash = text.find_last_of("/");
    text = text.substr(lastSlash + 1);
    strcpy(mFileName, text.c_str());
    return true;
  }
  else
  {
    return false;
  }
}

} // namespace utils
} // namespace dart
